#pragma once
#include<string>
#include<unistd.h>
class Channel
{
public:
    Channel(int wfd, pid_t who)
        : _wfd(wfd), _who(who)
    {
        _name = "Channel-" + std::to_string(wfd) + "-" + std::to_string(who);
    }
    void Send(int cmd)
    {
        ::write(_wfd, &cmd, sizeof(cmd));
    }
    void Close()
    {
        ::close(_wfd);
    }
    pid_t Id()
    {
        return _who;
    }
    ~Channel()
    {
    }
    std::string Name()
    {
        return _name;
    }

private:
    int _wfd;
    std::string _name;
    pid_t _who;
};